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<?php
// namespace administrator\components\com_jmap\framework\files;
/**
* @package JMAP::FRAMEWORK::administrator::components::com_jmap
* @subpackage framework
* @subpackage file
* @author Joomla! Extensions Store
* @copyright (C) 2015 - Joomla! Extensions Store
* @license GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html
*/
defined('_JEXEC') or die('Restricted access');
jimport('joomla.filesystem.file');
jimport('joomla.filesystem.folder');
jimport('joomla.filesystem.archive');
/**
* Multilanguage fallback utility class
*
* @package JMAP::FRAMEWORK::administrator::components::com_jmap
* @subpackage framework
* @subpackage file
* @since 3.0
*/
class JMapFileSources extends JObject {
/**
* Database connector
*
* @access private
* @var Object
*/
private $dbo;
/**
* Application object
*
* @access private
* @var Object
*/
private $app;
/**
* Variables in request array
*
* @access protected
* @var Object
*/
protected $requestArray;
/**
* Variables in request array name
*
* @access protected
* @var Object
*/
protected $requestName;
/**
* Store uploaded file to cache folder,
* fully manage error messages and ask for database insert
*
* @access public
* @return boolean
*/
public function import() {
// Get file info
$file = $this->app->input->files->get('datasourceimport', null, 'raw');
$tmpFile = $file['tmp_name'];
$tmpFileName = $file['name'];
try {
if(!$tmpFile || !$tmpFileName) {
throw new JMapException(JText::_('COM_JMAP_NOFILE_SELECTED'), 'error');
}
$tmpFileSize = $file['size'];
$allowedFileSize = 2 * 1024 * 1024; // MB->Bytes
if($tmpFileSize > $allowedFileSize) {
throw new JMapException(JText::_('COM_JMAP_SIZE_ERROR') .' Max 2MB.', 'error');
}
$tmpFileExtension = @array_pop(explode('.', $tmpFileName));
if($tmpFileExtension != 'json') {
throw new JMapException(JText::_('COM_JMAP_EXT_ERROR'), 'error');
}
// Deserialize contents
$fileContents = file_get_contents($tmpFile);
if($fileContents) {
$objectToRestore = json_decode($fileContents);
}
if(!is_array($objectToRestore)) {
throw new JMapException(JText::_('COM_JMAP_INVALID_IMPORT_DATA'), 'error');
}
// Prepare the values array
$dbQueryArray = array();
foreach ($objectToRestore as $dataSource) {
// Check if the data source is of type plugin and if the plugin is installed, otherwise skip and warn user
if($dataSource->type == 'plugin' && !JFolder::exists(JPATH_COMPONENT_ADMINISTRATOR . '/plugins/' . strtolower($dataSource->name))) {
$this->app->enqueueMessage(JText::sprintf('COM_JMAP_NOPLUGIN_INSTALLED_IMPORTED_DATASOURCE', $dataSource->name));
continue;
}
$dbSourceArray = array();
$dbSourceArray[] = $this->dbo->quote($dataSource->type);
$dbSourceArray[] = $this->dbo->quote(strip_tags($dataSource->name));
$dbSourceArray[] = $this->dbo->quote(strip_tags($dataSource->description));
$dbSourceArray[] = (int)$dataSource->published;
$dbSourceArray[] = $this->dbo->quote($dataSource->sqlquery);
$dbSourceArray[] = $this->dbo->quote($dataSource->sqlquery_managed);
$dbSourceArray[] = $this->dbo->quote($dataSource->params);
// Source imploded assignment
$dbQueryArray[] = implode(',', $dbSourceArray);
}
// Check if some valid data to import are available
if(!count($dbQueryArray)) {
throw new JMapException(JText::_('COM_JMAP_NO_IMPORT_DATA_FOUND'), 'warning');
}
// Final sources imploded assignment
$implodedSources = '(' . implode('),(', $dbQueryArray) . ')';
$queryImport = "INSERT INTO" . $this->dbo->quoteName('#__jmap') .
"\n (" .
"\n" . $this->dbo->quoteName('type') . "," .
"\n" . $this->dbo->quoteName('name') . "," .
"\n" . $this->dbo->quoteName('description') . "," .
"\n" . $this->dbo->quoteName('published') . "," .
"\n" . $this->dbo->quoteName('sqlquery') . "," .
"\n" . $this->dbo->quoteName('sqlquery_managed') . "," .
"\n" . $this->dbo->quoteName('params') . ")" .
"\n VALUES " . $implodedSources;
$this->dbo->setQuery($queryImport);
$this->dbo->execute();
if($this->dbo->getErrorNum()) {
throw new JMapException(JText::sprintf('COM_JMAP_DBERROR_IMPORT_DATA', $this->dbo->getErrorMsg()), 'error');
}
}
catch(JMapException $e) {
$this->setError($e);
return false;
} catch (Exception $e) {
$jmapException = new JMapException($e->getMessage(), 'error');
$this->setError($jmapException);
return false;
}
return true;
}
/**
* Download uploaded file message
*
* @access public
* @return boolean
*/
public function export($ids = null) {
// Load data from DB
try {
$query = "SELECT * FROM #__jmap" .
"\n WHERE id IN ( " . implode(',', $ids) . ")";
$this->dbo->setQuery($query);
$resultInfo = $this->dbo->loadObjectList();
if(!$resultInfo) {
if(!$resultInfo) {
throw new JMapException(JText::_('COM_JMAP_ERROR_NODATA_TOEXPORT'), 'error');
}
}
// Serialize data to export
$dataToExport = json_encode($resultInfo);
} catch(JMapException $e) {
$this->setError($e);
return false;
} catch (Exception $e) {
$jmapException = new JMapException($e->getMessage(), 'error');
$this->setError($jmapException);
return false;
}
$fsize = strlen($dataToExport);
$cont_dis = 'attachment';
$mimeType = 'application/json';
// required for IE, otherwise Content-disposition is ignored
if (ini_get ( 'zlib.output_compression' )) {
ini_set ( 'zlib.output_compression', 'Off' );
}
header ( "Pragma: public" );
header ( "Cache-Control: must-revalidate, post-check=0, pre-check=0" );
header ( "Expires: 0" );
header ( "Content-Transfer-Encoding: binary" );
header ( 'Content-Disposition:' . $cont_dis . ';' . ' filename="datasources.json";' . ' size=' . $fsize . ';' ); //RFC2183
header ( "Content-Type: " . $mimeType ); // MIME type
header ( "Content-Length: " . $fsize );
if (! ini_get ( 'safe_mode' )) { // set_time_limit doesn't work in safe mode
@set_time_limit ( 0 );
}
// No encoding - we aren't using compression... (RFC1945)
//header("Content-Encoding: none");
//header("Vary: none");
echo $dataToExport;
exit();
}
/**
* Install a plugin like data source with source code and manifest zip package
*
* @access public
* @return boolean
*/
public function install() {
// Get file info
$file = $this->app->input->files->get('datasourceinstallplugin', null, 'raw');
$tmpFile = $file['tmp_name'];
$tmpFileName = $file['name'];
try {
if(!$tmpFile || !$tmpFileName) {
throw new JMapException(JText::_('COM_JMAP_NOFILE_SELECTED'), 'error');
}
$tmpFileSize = $file['size'];
$allowedFileSize = 2 * 1024 * 1024; // MB->Bytes
if($tmpFileSize > $allowedFileSize) {
throw new JMapException(JText::_('COM_JMAP_SIZE_ERROR') .' Max 2MB.', 'error');
}
$tmpFileExtension = @array_pop(explode('.', $tmpFileName));
if($tmpFileExtension != 'zip') {
throw new JMapException(JText::_('COM_JMAP_EXT_PLUGIN_ERROR'), 'error');
}
// Get the folder name to create, if existing delete it
$folderPluginName = strtolower(@array_shift(explode('.', $tmpFileName)));
$folderPluginPath = JPATH_COMPONENT_ADMINISTRATOR . '/plugins/' . $folderPluginName;
if(JFolder::exists($folderPluginPath)) {
JFolder::delete($folderPluginPath);
}
JFolder::create($folderPluginPath);
// Copy the zip archive to the target directory
if(!move_uploaded_file($tmpFile, $folderPluginPath . '/' . $tmpFileName)) {
throw new JMapException(JText::_('COM_JMAP_UPLOAD_ERROR'), 'error');
}
// Unpack the zip archive
JArchive::extract($folderPluginPath . '/' . $tmpFileName, $folderPluginPath);
// Delete the original zip archive
JFile::delete($folderPluginPath . '/' . $tmpFileName);
// Parse the XML manifest file of the plugin
$manifestFiles = glob( $folderPluginPath . '/*.xml');
if(!count($manifestFiles)) {
throw new JMapException(JText::_('COM_JMAP_ERROR_MANIFEST_NOTFOUND'), 'error');
}
$pluginManifestFile = $manifestFiles[0];
$pluginManifest = simplexml_load_file($pluginManifestFile);
// Get plugin name and descriptions
$pluginName = $pluginManifest->name;
$pluginDescription = $pluginManifest->description;
// Get plugin params
$pluginParams = $pluginManifest->config->fields->fieldset->field;
// Inject everything in the POST request and prepare for the save task
$this->requestArray[$this->requestName]['name'] = ucfirst($pluginName);
$this->requestArray[$this->requestName]['description'] = (string)$pluginDescription;
foreach ($pluginParams as $field) {
// Store in superglobal POST array
$fieldName = (string)$field->attributes()->name;
$fieldValue = (string)$field->attributes()->default;
$this->requestArray[$this->requestName]['params'][$fieldName] = $fieldValue;
}
// Check if plugin folder name is the same as specified in the manifest
if($folderPluginName != strtolower($pluginName)) {
rename($folderPluginPath, JPATH_COMPONENT_ADMINISTRATOR . '/plugins/' . strtolower($pluginName));
}
}
catch(JMapException $e) {
$this->setError($e);
return false;
} catch (Exception $e) {
$jmapException = new JMapException($e->getMessage(), 'error');
$this->setError($jmapException);
return false;
}
return true;
}
/**
* Class constructor
*
* @access public
* @param Object $dbo
* @param Object $app
* @return Object &
*/
public function __construct($dbo, $app) {
// DB connector
$this->dbo = $dbo;
// Application
$this->app = $app;
$this->requestArray = &$GLOBALS;
$this->requestName = '_' . strtoupper('post');
}
}
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